Tuesday, 24 July 2012

M21



M21 / NGC6531
Constellation - Sagittarius
Open cluster

Location - Narkurs
Date - 24/7/12
Time - 0030-0110
Seeing - II
SQM - 21.34 (NELM 6.3)

Telescope - 12" f/5 dob
EP - 13mm Ethos x117 TFoV 0˚51

Sketch material - white pastels and ink pen on black paper

Sketch notes
Could quite of easily sketched this cluster within the same FoV as M20 but decided not to as I wanted to use high power on the Trifid nebula.
Very open cluster, and fairly unremarkable on its own with no real bright or large stars.

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